I think there are some Black tailed Godwits and some Spotted? Redshanks.
I agree with Little Egret and Common Sandpiper.
The last is a Common Moorhen(NOT a Common Gallinule) as when they were split the Moorhen name stayed with the Euro species and the NA species took on the Gallinule name. So the species in Canada is the Common Gallinule while in Europe it is a separate species... the Common Moorhen.